/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.aliyuncs.auth;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

public class AcsURLEncoder {
    public final static String URL_ENCODING = "UTF-8";

    public static String encode(String value) throws UnsupportedEncodingException {
        return URLEncoder.encode(value, URL_ENCODING);
    }

    public static String percentEncode(String value) throws UnsupportedEncodingException {
        return value != null ? URLEncoder.encode(value, URL_ENCODING).replace("+", "%20")
            .replace("*", "%2A").replace("%7E", "~") : null;
    }
}
